312 Arbor Day HD computer picture wallpaper

312 Arbor Day HD computer picture wallpaper.Arbor Day is a festival that promotes the protection of trees in accordance with legal provisions and organizes and mobilizes the masses to actively participate in tree planting as an activity.According to the length of time, it can be divided into tree planting day, tree planting week and tree planting month, which are collectively called International Arbor Day.It is advocated to use this kind of activity to inspire people's enthusiasm for afforestation and awareness of the importance of environmental protection.